166808560

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{31121}}^1$

素因数の和:31201

約数の個数: 40

約数和(自身を含む): 393631056

約数和(自身を除く): 226822496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 31121, 62242, 124484, 155605, 248968, 311210, 497936, 622420, 1244840, 2085107, 2489680, 4170214, 8340428, 10425535, 16680856, 20851070, 33361712, 41702140, 83404280, 166808560]

約数ペア:

[(1, 166808560), (2, 83404280), (4, 41702140), (5, 33361712), (8, 20851070), (10, 16680856), (16, 10425535), (20, 8340428), (40, 4170214), (67, 2489680), (80, 2085107), (134, 1244840), (268, 622420), (335, 497936), (536, 311210), (670, 248968), (1072, 155605), (1340, 124484), (2680, 62242), (5360, 31121)]